Senior Data Centre Field Engineer
Lead engineer job in San Jose, CA
Senior Data Centre Field Engineer - Bay Area (Frequent International Travel) | 12-Month Contract | 1099 or C2C
Our client, a leading technology consultancy specialising in large-scale infrastructure deployments, is seeking an experienced Senior Data Centre Field Engineer to join their team on a 12-month contract. This position is based in the Bay Area and involves frequent international travel to client sites.
This role will suit a highly skilled and self-driven field engineer with deep experience in data centre infrastructure, structured cabling, and enterprise network deployments. You will lead complex field projects, mentor junior engineers, and ensure that every installation meets the highest technical and quality standards.
Role Overview
As a Senior Data Centre Field Engineer, you will:
Lead infrastructure deployment projects across data centre, enterprise, and retail environments, ensuring all deliverables are completed to scope, on time, and to a high standard.
Pull, terminate, and test Cat6/6a and fibre structured cabling systems.
Rack, stack, and configure network equipment; decommission legacy devices and patch cables as required.
Deploy fully built racks into data centres and enterprise spaces, completing cross-connects and final cabling.
Install and test Wireless Access Points, ensuring high-quality terminations and documentation.
Partner with internal teams or local field engineers on complex, multi-site deployments.
Mentor and support less experienced colleagues, sharing best practices and technical knowledge.
Serve as a trusted on-site advisor, maintaining both client and internal standards throughout all project phases.
Provide as-built and redline documentation updates to ensure engineering records remain current and accurate.
Conduct post-project reviews, sharing lessons learned to continually improve delivery quality.
Review project scopes, BOMs, and schedules using internal tools, identifying and escalating potential issues early.
Stay current with emerging network technologies - routing, switching, Wi-Fi, firewalls, compute, storage, AV, power, and cabling.
Represent the consultancy with professionalism, identifying potential business opportunities and maintaining strong client relationships.
Required Skills & Experience
5+ years' experience delivering complex data centre or enterprise infrastructure projects for large customers (preferably via a VAR or systems integrator).
Proven expertise in structured cabling, including fibre and copper installation, testing, and certification.
Hands-on experience using tools such as Fluke testers, OTDRs, network analysers, and wire mapping tools.
Ability to read and interpret MOPs, cable run lists, patch plans, and schematics.
Strong troubleshooting and fault-finding skills within high-pressure, mission-critical environments.
Proficiency with Unix/Linux CLI, network configuration, firmware installation, and device provisioning.
Experience analysing wireless survey reports (e.g., Ekahau, Airmagnet, Hamina) and advising on signal remediation.
Excellent customer-facing, communication, and documentation skills.
Self-starter with strong organisational discipline and the ability to manage multiple concurrent projects.
Certifications & Education
Cabling certifications (e.g., CNCI, BTEC, City & Guilds, BICSI) desirable.
CCNA or CWNA certification (or equivalent demonstrable knowledge) preferred.
Contract Details
Location: Bay Area, CA (frequent international travel required)
Contract Type: 12-Month Contract (1099 or C2C)
Client Type: Technology Consultancy
Start Date: ASAP
Compensation: Competitive day rate, based on experience
If you are an experienced Senior Data Centre Field Engineer who thrives in hands-on environments and enjoys leading complex deployments, this is an excellent opportunity to join a forward-thinking consultancy working with some of the most respected clients in the industry.
HIL Test Engineer - BMS
Lead engineer job in Hayward, CA
Job Title: HIL Test Engineer (BMS System)
Employment Type: Full-Time
We are seeking a skilled Embedded Engineer with strong expertise in Hardware-in-the-Loop (HIL) testing and Battery Management Systems (BMS). The ideal candidate will be responsible for developing, validating, and optimizing embedded control systems related to automotive or industrial battery applications. This role involves hands-on work with HIL platforms, embedded firmware, diagnostics, and battery system integration.
Key Responsibilities:
Develop, validate, and troubleshoot embedded software for Battery Management Systems (BMS).
Plan, execute, and automate HIL test cases using tools such as dSPACE, NI, Vector, or equivalent systems.
Create test scripts, perform fault injection, and ensure BMS compliance with safety and performance requirements.
Analyze system behavior, debug issues, and implement corrective actions across embedded software and hardware.
Work closely with cross-functional teams including systems engineering, hardware, validation, and controls.
Support integration testing for HV battery packs, modules, and EV subsystems.
Develop test documentation: test plans, procedures, reports, and traceability matrices.
Perform CAN/LIN communication analysis using tools such as CANoe, CANalyzer, or Vector tools.
Contribute to continuous improvement of testing frameworks, automation, and embedded processes.
Required Qualifications:
Bachelor's or Master's degree in Electrical Engineering, Embedded Systems, Electronics, Mechatronics, or related field.
3-6+ years of experience in embedded systems development and/or validation.
Hands-on experience with HIL testing (dSPACE, NI, Vector VT, ETAS LABCAR, etc.).
Strong understanding of Battery Management Systems, SOC/SOH estimation, cell balancing, thermal management, and HV safety.
Proficiency in embedded C/C++, control algorithms, and microcontroller-based systems.
Experience with CAN communication, UDS diagnostics, and scripting languages (Python, CAPL, MATLAB/Simulink).
Preferred Qualifications:
Experience with EV powertrain, high-voltage batteries, or automotive functional safety (ISO 26262).
Familiarity with real-time operating systems (RTOS) and AUTOSAR environments.
Knowledge of automation frameworks and CI/CD for embedded testing.
Experience working with model-based development (MBD).
Head of Physical Systems & Robotics
Lead engineer job in San Jose, CA
Salary: upto $400k cash + Equity & Bonus
Reports to: CEO
Team: Robotics & Systems Engineering
As Head of Physical Systems & Robotics, you will own the vision and execution for physical infrastructure, from robotic hardware and manipulation systems to controls, perception, and high-throughput experimental platforms. You will lead multi-disciplinary teams to deliver physically capable, autonomous systems that integrate closely with AI and simulation teams.
Key Responsibilities
Technical Vision & Strategy: Define and drive the roadmap for robotics, automation, and physical system platforms.
Team Leadership & Growth: Build and lead teams across robotics, controls, perception, systems integration, and hardware engineering.
System Architecture: Establish robust hardware/software architectures for complex physical systems.
Integration & Collaboration: Work with AI, simulation, and software teams to ensure seamless integration between algorithms and physical execution.
Operational Excellence: Implement best practices for reliability, maintainability, safety, and scalability of robotic platforms.
Hands-On Innovation: Balance leadership with technical involvement in prototypes, design reviews, hardware selection, and validation.
Risk & Safety: Set standards for safety, testing protocols, fault tolerance, and regulatory compliance.
Qualifications
MS/PhD in Robotics, Mechanical Engineering, Electrical Engineering, or related fields.
10+ years of engineering leadership in building and scaling complex robotic or automated systems.
Experience owning end-to-end physical systems, including motion planning, controls, perception integration, and hardware/software co-design.
Strong track record of cross-disciplinary collaboration with AI researchers and software engineers.
Excellent communicator and leader capable of motivating and aligning engineering teams.
Bonus Points
Experience with high-throughput or autonomous experimental platforms.
Prior work with digital twin or simulator environments tied to physical hardware.
Spacecraft Avionics Lead Engineer
Lead engineer job in San Francisco, CA
San Francisco Bay Area
A pioneering space company developing next-gen orbital mobility solutions is hiring an Avionics and Software Lead to own the full stack of spacecraft avionics and flight software for a new Spacecraft Development.
This is a rare opportunity to architect, build, and validate a complete flight system from scratch, working on cutting-edge propulsion-enabled platforms designed for responsive orbital manoeuvring.
In this role, you'll define the avionics architecture, lead integration of radiation-tolerant electronics, and drive flight software development-including GNC algorithms, EPS design, and hardware-in-the-loop testing. You'll collaborate closely with cross-functional engineering leads to ensure spacecraft safety, autonomy, and reliability from concept through CDR.
This is a hands-on leadership role for someone excited by the challenge of building high-performance spaceflight systems in a rapid development environment.
What You'll Be Doing:
Own the full avionics and flight software architecture through critical design review (CDR)
Select and integrate COTS radiation-tolerant components for power, compute, and data handling
Lead development of flight and ground software (telemetry, real-time control, fault management)
Define and implement guidance, navigation, and control (GNC) algorithms
Design electrical power systems (EPS), data bus architecture, and flight harnessing
Build and operate a flat-sat HIL testbed for integration and validation
Develop ICDs and maintain firmware/software configuration processes
Support subsystem integration and testing campaigns
Conduct FMEA and reliability analyses
Lead subsystem design reviews and contribute to broader mission engineering milestones
What You'll Need:
Bachelor's degree in software engineering, electrical engineering, or similar
8+ years of experience developing avionics or flight software for spacecraft or other high-reliability systems
Strong background in embedded systems, spacecraft autonomy, or GNC
Proficiency in C/C++ or Rust; Python for scripting/testing
Experience with radiation-hardened processors and electronics (Microchip, Xilinx, etc.)
Familiarity with CAN, SpaceWire, RS-422, and other bus protocols
HIL integration experience and knowledge of EMI/EMC and power distribution design principles
U.S. Person (citizenship or permanent residency) required
Desirable Experience:
Autonomy frameworks or fault-tolerant flight software
Space-rated EPS or battery management systems
Responsive space operations or in-space logistics
Previous experience in a startup or fast-paced R&D environment
Staff Backend Engineer
Lead engineer job in San Francisco, CA
80Twenty is a boutique marketing recruitment agency that connects high-growth companies with exceptional candidates.
Want to build technology that truly moves the needle in healthcare? Join a fast-scaling, profitable healthcare services company - independently grown and not VC-backed - on a mission to make healthcare simpler, smarter, and more human! Our client is a healthcare tech and services company based in San Francisco, combining clinical expertise, operational excellence, and modern engineering to reshape how people experience care. From personalized medication management and transparent pharmacy pricing to community-based chronic care support, we're building a system that empowers both patients and providers.
This is a fully onsite role based in San Francisco, CA. Candidates must be located within 30 miles of San Francisco. The standard schedule is Monday-Friday, 9am-7pm and may vary depending on business needs and role responsibilities.
In this role, you will:
Design, build, and scale backend services that power pharmacy, telehealth, and patient-facing workflows.
Collaborate cross-functionally with product, operations, and pharmacy teams to deliver seamless integrations and reliable systems.
Lead architectural design discussions and set long-term technical direction for the backend stack.
Implement best practices for system reliability, observability, security, and scalability.
Drive operational excellence through CI/CD pipelines, cloud infrastructure (AWS), and container orchestration (Kubernetes).
Mentor fellow engineers and help shape our backend engineering culture.
Optimize system performance and streamline complex data flows across distributed services.
Influence and define standards for how we build, test, and deploy software across the company.
Who You Are
7+ years of backend engineering experience, ideally in fast-moving production environments.
Strong experience with Node.js (TypeScript / JavaScript) and modern backend frameworks.
Deep familiarity with AWS, Kubernetes, CI/CD, and distributed system design.
Adept at owning code from design through deployment - you care about maintainability, reliability, and long-term scalability.
Excellent communicator who enjoys collaborating across disciplines.
Motivated by solving complex real-world problems in healthcare and improving patient outcomes.
Bonus points for experience in healthcare, pharmacy systems, inventory/fulfillment flows, or regulated environments.
Why This Role Stands Out
You'll own high-impact systems that directly affect patient and provider experiences.
You'll shape backend architecture and engineering best practices in a growing company.
You'll join a profitable, non-VC-backed organization focused on long-term sustainability.
You'll work in-person with an ambitious, mission-driven team in downtown San Francisco.
Competitive compensation, equity opportunities, and strong benefits designed to help you thrive.
This is a great opportunity to be a key member of the engineering team, taking technical ownership of our pharmacy platform's core backend systems. Your work will directly power real-time healthcare operations and improve access to care. If you're excited to apply your engineering expertise to meaningful healthcare infrastructure - and want to join a company that values autonomy, sustainability, and impact - we want to hear from you!
Base salary: $250k-300k DOE + generous equity and benefits
Residential Energy Software Engineer
Lead engineer job in Palo Alto, CA
The Residential Energy Software Engineer will support the development and validation of advanced residential energy systems within an industry-leading organization. This role focuses on building, testing, and maintaining high-quality software that manages energy hardware end to end. The position involves close collaboration with cross-functional teams to ensure system reliability, performance, and safety in a fast-paced environment.
Key Responsibilities:
• Collaborate with product managers and cross-disciplinary engineers to develop technical designs and specifications
• Design, develop, and maintain scalable and reliable software systems for residential energy solutions
• Contribute to overall system architecture and integration strategies
• Develop applications for system installation, configuration, monitoring, and diagnostics
• Partner with engineering teams to design and implement application programming interfaces
• Drive technical innovation to improve system reliability, performance, and developer productivity
Required Qualifications:
• Bachelor's degree in Computer Science or equivalent practical experience
• Experience developing highly available, mission-critical software applications and test suites
• Proficiency with system programming languages such as C, C Plus Plus, Rust, Go, Java, or C Sharp
• Hands-on experience with Internet and Internet of Things protocols such as HTTP, REST, WebSockets, gRPC, or Matter
• Ability to multitask, prioritize work, and perform effectively in a fast-paced, collaborative environment
Preferred Qualifications:
• Experience with embedded systems and related communication protocols
• Exposure to web development, data analysis, or data science tools
• Familiarity with common cryptography mechanisms
Benefits:
The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan, life insurance, long-term disability insurance, short-term disability insurance, paid parking/public transportation, paid time off, paid sick and safe time, hours of paid vacation time, weeks of paid parental leave, and paid holidays annually - as applicable.
Pay Range: $60 - $67 per hour (depending on experience)
Application Engineer
Lead engineer job in San Jose, CA
A semiconductor client in the Bay Area is looking for an Application Engineer (AE) to provide technical leadership and support in the sales and support of V93000 (V93k) Semiconductor Test Systems and Applications. The ideal candidate will have proven experience with Automatic Test Equipment (ATE), specifically utilizing Advantest's V93000 hardware and SmarTest 7 or 8 software. This role will be critical in developing, implementing, and optimizing test solutions for next-generation high performance computing devices.
• Lead and support sales and application efforts for V93000 Semiconductor Test Systems.
• Engage in sales process activities: requirements analysis, demos, benchmarks, competitive positioning, implementation.
• Ensure product functionality and integration into customer environments.
• Analyze complex customer requirements and provide technical expertise (performance, design, optimization, test program development).
• Design and validate technical solutions aligned with customer business goals.
• Identify and manage resources and deliverables for customer solutions.
• Share emerging technologies with global technical peers.
• Influence customer decisions through technical value creation.
• Create and manage project plans for complex initiatives.
• Represent customer needs to internal teams.
Deliver customer training and consultation.
Required Skills & Experience
• Bachelor's in Electrical/Electronic Engineering or related field.
• 3+ years in IC test or application development.
• Experience with V93000 SMT7/8 and bench instruments.
• C++ or Java programming skills.
Nice to Have Skills & Experience
• SMT8 experience
• Knowledge of VLSI and semiconductor manufacturing.
• Scripting in Perl or Python.
Staff Engineer
Lead engineer job in Berkeley, CA
Do you want to play a defining role in a well backed AI company building the next generation of intelligent agents?
Compensation: $220k - $240k
Employment Type: Full time
Model: Hybrid (days on site, 3 days remote)
This company is building AI agents that automate complex, manual workflows across one of the largest and most operationally complex industries in the world. What started with voice, the hardest and highest impact interface, is rapidly expanding into full end-to-end workflow automation across sales, servicing, and claims. The long term vision is to create reasoning agents capable of operating autonomously across entire enterprise systems.
With over $70M raised, including a recent large Series B led by top tier venture firms, the company is entering a phase of rapid scale. Engineering is the core of the business, and technical decisions made today will define how intelligent systems operate in real production environments for years to come.
The Opportunity:
As a Staff Software Engineer, you will be a senior technical leader responsible for shaping foundational systems that power AI-driven products at scale. This role goes far beyond feature delivery. You will own architectural direction, influence platform strategy, and build systems that enable reliable, observable, high-performance AI agents in a regulated, mission-critical environment.
You will work with an elite group of engineers, researchers, and product leaders who value strong technical judgment, clear communication, and high ownership. This is a role for someone who thrives in ambiguity, enjoys solving hard infrastructure problems, and wants to see their work have immediate, real world impact.
What You Will Do:
Define and drive the technical vision for core platforms and domains, including architecture, infrastructure, tooling, and performance
Design, build, and operate scalable backend systems that leverage foundational LLMs and asynchronous workflows
Lead architectural decisions and trade-offs, balancing speed of iteration with long-term reliability and maintainability
Partner closely with product, data science, and infrastructure teams to translate business strategy into durable technical roadmaps
Serve as a technical mentor through design reviews, code reviews, and hands-on guidance, raising the bar for engineering excellence
Own operational excellence across the stack, including debugging complex issues, participating in on-call, and leading post-mortems
Define, measure, and improve reliability metrics such as SLAs, SLOs, and SLIs
Identify technical debt and drive initiatives that improve system quality, performance, and developer velocity
Introduce new technologies and processes that materially improve how teams build and ship software
Represent the engineering organization externally when appropriate through technical talks, open source, or partner engagement
What We're Looking For:
8+ years of experience building and operating high-quality production software, with strong depth in Python
Demonstrated experience architecting asynchronous, distributed, high-throughput systems in production
Strong expertise with Python frameworks such as FastAPI, Django, and asyncio or equivalent
Proficiency with Node.js, React, TypeScript, and Express, with sound judgment on when to use each stack
Deep knowledge of SQL and experience with distributed messaging and streaming systems such as Kafka, SQS, SNS, or RabbitMQ
Solid cloud experience with AWS, GCP, or Azure, including infrastructure as code, CI/CD, and observability
Ability to navigate ambiguity, make principled trade-offs, and lead without formal authority
Experience working in remote, asynchronous, distributed teams with strong written and verbal communication skills
Curiosity and enthusiasm for emerging technologies and their real-world applications
Nice to Haves:
Hands-on experience working with large language models and techniques to improve reliability, latency, and cost efficiency
Experience in regulated or compliance-heavy industries such as insurance, finance, or healthcare
Background in high-growth startup environments where systems and teams scaled rapidly
Proven track record of mentoring senior and mid-level engineers
Public technical contributions through open source, talks, or publications
Why This Role:
Strong funding, long runway, and clear momentum toward category leadership
Ownership over foundational systems that define how autonomous AI agents operate in production
High autonomy and trust with direct influence on long-term technical direction
A collaborative, high caliber engineering culture that values rigor, learning, and impact
The opportunity to help define a new category of applied AI systems used by real customers at scale
If you are excited by the chance to shape the core architecture of an AI platform operating in the real world, this role offers both the scope and the ownership to make a lasting impact.
Full Stack Software Engineer (Python / React)
Lead engineer job in San Jose, CA
We're seeking a Full Stack Software Engineer with strong backend development skills in Python and frontend expertise in React.js. You'll help design, implement, and scale full stack web applications that are secure, performant, and user-centric.
Responsibilities
Architect, build, and maintain backend services using Python (FastAPI, Flask, Django)
Design and implement dynamic and responsive frontends using React.js and/or Vue.js
Create and consume RESTful and GraphQL APIs
Build reusable components and libraries for frontend use
Collaborate across teams to gather requirements, define solutions, and ensure quality
Optimize performance and scalability of applications
Write unit, integration, and end-to-end tests across the stack
Participate in peer code reviews and provide mentorship where appropriate
Required Qualifications
5+ years of experience in full stack development
M.S. degree in relevant domain required
Proficiency with Python and one or more major web frameworks (e.g., FastAPI, Django)
Advanced skills in React.js, including Hooks, Context, and state management libraries (e.g., Redux, Zustand)
Experience with Vue.js or interest in working across multiple frontend frameworks
Familiarity with modern frontend tooling: Webpack, Vite, Babel, ESLint
Solid experience with HTML5, CSS3, SASS/SCSS, and responsive UI design
Strong understanding of RESTful services, API security, and performance optimization
Knowledge of relational databases (PostgreSQL, MySQL) and NoSQL options (MongoDB, Redis)
Git and CI/CD best practices (GitHub Actions, CircleCI, GitLab CI)
Strong communication skills and a collaborative approach to engineering
Preferred Qualifications
Familiarity with TypeScript
Experience with cloud platforms (AWS, GCP, or Azure)
Experience with Docker, Kubernetes, or container orchestration
GraphQL and Apollo Client experience
Familiarity with microservice architecture
Experience working with real-time data (WebSockets, MQTT)
Founding Software Engineer / Protocol Engineer
Lead engineer job in San Jose, CA
We are actively searching for a Founding Protocol Engineer to join our team on a permanent basis. In this position you will If you are someone that is impressed with what Hyperliquid has accomplished then this role is for you. We are on a mission to build next generation lending and debt protocols. We are open to both Senior level and Architect level candidates for this role.
Your Rhythm:
Drive the architecture, technical design, and implementation of our lending protocol.
Collaborate closely with researchers to validate and test designs
Collaborate with auditors and security engineers to ensure safety of the protocol
Participate in code reviews, providing constructive feedback and ensuring adherence to established coding standards and best practices
Your Vibe:
5+ years of professional software Engineering experience
3+ years of experience working in Solidity in EVM in production environments, specifically focused in DeFi products
2+ years of experience working with a modern backend languages (Go, Rust, Python, etc) in distributed architectures
Experience building lending protocols in a smart contract language
Open to collaborating onsite a few days a week at our downtown SF office
Our Vibe:
Relaxed work environment
100% paid top of the line health care benefits
Full ownership, no micro management
Strong equity package
401K
Unlimited vacation
An actual work/life balance, we aren't trying to run you into the ground. We have families and enjoy life too!
Software Engineer - Runtime
Lead engineer job in Santa Clara, CA
We're a Series A and we need a systems-savvy engineer who can architect, optimize, and turbocharge our multi-target runtime from day one.
If concurrent programming is your playground, C++14 is your native language, and you think in cache lines, pipelines, and memory hierarchies, this role puts you at the heart of the action.
What You'll Do
Design, build, and continually improve our multi-target runtime
Apply cutting-edge parallelization + partitioning techniques to generate and exploit highly optimized kernels
Rapidly prototype ideas and validate them with real data
What You Bring
Deep expertise in asynchronous + concurrent programming
4+ years of modern C/C++
Strong grasp of hardware architecture (scalar vs vector, memory hierarchies, etc.)
Knowledge of OS kernel or hypervisor development
Bonus Points
CUDA/ROCm library experience
GPU programming background
HPC experience
MS/PhD in CS or equivalent
Familiarity with PyTorch, JAX, Triton
Experience wrangling large compute clusters
Why You'll Love It
You'll own critical, performance-sensitive systems that sit at the core of our stack; shaping how next-gen ML models run across diverse hardware. High impact, deep tech, zero bureaucracy.
If you want to engineer at the limits of performance and help build a runtime that changes the game let's talk!
Backend Software Engineer - Cloud Services
Lead engineer job in Sunnyvale, CA
About Company,
Droisys is an innovation technology company focused on helping companies accelerate their digital initiatives from strategy and planning through execution. We leverage deep technical expertise, Agile methodologies, and data-driven intelligence to modernize systems of engagement and simplify human/tech interaction.
Amazing things happen when we work in environments where everyone feels a true sense of belonging and when candidates have the requisite skills and opportunities to succeed. At Droisys, we invest in our talent and support career growth, and we are always on the lookout for amazing talent who can contribute to our growth by delivering top results for our clients. Join us to challenge yourself and accomplish work that matters.
We're hiring Backend Software Engineer - Cloud Services in Sunnyvale, CA .
What You'll Do
Take full ownership of your services: drive the design, contribute new features, participate in peer reviews, and deliver production-ready solutions.
Develop software primarily in Java and Python.
Work with Kubernetes or be willing to quickly ramp up on container orchestration.
Own end-to-end responsibility for major features and subsystems-from refining requirements to successful deployment in customer environments.
Manage operational health of your services, including telemetry, metrics, and rapid production issue detection.
Ensure high code quality through early testing, functional verification, and integration testing.
Collaborate closely with Product Management to clarify scope, finalize requirements, and plan delivery.
What You'll Bring
Bachelor's degree in Computer Science or similar field (Master's preferred).
3+ years of experience building scalable, distributed systems.
A strong passion for building software, learning new technologies, and collaborating in a team environment.
Hands-on experience with AWS, Azure, or GCP, particularly at the programming/API level.
Background in networking or security is a plus.
Proficiency in Java and/or Python, with familiarity using REST APIs.
Experience with CloudFormation or Terraform is beneficial.
Knowledge of Spring or similar backend frameworks.
Understanding of Kubernetes, Docker, and containerized environments is helpful.
Familiarity with classic Gang of Four design patterns.
Droisys is an equal opportunity employer. We do not discriminate based on race, religion, color, national origin, gender, gender expression, sexual orientation, age, marital status, veteran status, disability status or any other characteristic protected by law. Droisys believes in diversity, inclusion, and belonging, and we are committed to fostering a diverse work environment
Project Engineer
Lead engineer job in Modesto, CA
We are looking for a Structures Project Engineer interested in heavy civil construction with 2 to 5 years' experience to join the team on our Tim Bell Road Bridge Replacement Project in Stanislaus County.
Myers and Sons has been contracted for a structural project to remove and reconstruct the existing Tim Bell Road Bridge over Dry Creek. The project consists of replacing the existing historical bridge with a combination of a flat slab bridge and parabolic box girder. Work includes large diameter CIDH pile, falsework, trestle and bridge post tensioning. The project is expected to be completed over the course of two seasons.
We are looking for a person that can develop a deep understanding of the project documents, including the contract with the owner, subcontracts, cost reports, CPM schedules, specifications, project deliverable documents, correspondence, billings, and related project controls items. This person should feel comfortable navigating and working within accounting and project documentation software such as Vista and be detailed oriented. In addition to office tasks, this person will work closely with the project superintendent to develop and execute work plans and perform construction layout using AutoCAD and Lecia surveying equipment.
Key Responsibilities:
Work On Site to help solve problems that occur during construction
Working within Vista to manage documents
Maintain thorough understanding of the contract with the Owner
Monitor and report project progress
Field work: construction layout, developing grades, and work plans for self-performed work
Review and approve project invoices
Document control such as submittals, RFI's and Change Orders
Qualifications:
Bachelor's Degree in Business, Construction Management or Engineering preferred
2 - 5 Years of Experience in highway civil or structures construction projects in California.
Experienced dealing with subcontracts, subcontractors and self-perform work
Excellent organizational, team management, problem solving, motivational skills.
Apply Here: *******************************************************************************
Benefits:
Health Insurance (Medical/Dental/Vision)-our company covers 80% of the healthcare cost for our employees and their dependents. Employees are responsible for the remaining 20%, which is pre-taxable.
Flexible Spending Account (FSA)/Dependent Care FSA
401K with 8% Match
Life insurance
Employee Assistance Plan (EAP)
Voluntary insurance plans available-Accident/Critical Illness/Cancer/Hospital Indemnity/Life and AD&D
Paid time off
Professional development assistance
Work in a collaborative environment that fosters creativity, support and mutual respect.
Myers & Sons Construction is proud to be an equal opportunity and affirmative action employer regardless of race, color, gender, age, sexual orientation, gender identity, religious beliefs, marital status, genetic information, national origin, disability, or protected veteran status
Senior Data Centre Field Engineer
Lead engineer job in Fremont, CA
Senior Data Centre Field Engineer - Bay Area (Frequent International Travel) | 12-Month Contract | 1099 or C2C
Our client, a leading technology consultancy specialising in large-scale infrastructure deployments, is seeking an experienced Senior Data Centre Field Engineer to join their team on a 12-month contract. This position is based in the Bay Area and involves frequent international travel to client sites.
This role will suit a highly skilled and self-driven field engineer with deep experience in data centre infrastructure, structured cabling, and enterprise network deployments. You will lead complex field projects, mentor junior engineers, and ensure that every installation meets the highest technical and quality standards.
Role Overview
As a Senior Data Centre Field Engineer, you will:
Lead infrastructure deployment projects across data centre, enterprise, and retail environments, ensuring all deliverables are completed to scope, on time, and to a high standard.
Pull, terminate, and test Cat6/6a and fibre structured cabling systems.
Rack, stack, and configure network equipment; decommission legacy devices and patch cables as required.
Deploy fully built racks into data centres and enterprise spaces, completing cross-connects and final cabling.
Install and test Wireless Access Points, ensuring high-quality terminations and documentation.
Partner with internal teams or local field engineers on complex, multi-site deployments.
Mentor and support less experienced colleagues, sharing best practices and technical knowledge.
Serve as a trusted on-site advisor, maintaining both client and internal standards throughout all project phases.
Provide as-built and redline documentation updates to ensure engineering records remain current and accurate.
Conduct post-project reviews, sharing lessons learned to continually improve delivery quality.
Review project scopes, BOMs, and schedules using internal tools, identifying and escalating potential issues early.
Stay current with emerging network technologies - routing, switching, Wi-Fi, firewalls, compute, storage, AV, power, and cabling.
Represent the consultancy with professionalism, identifying potential business opportunities and maintaining strong client relationships.
Required Skills & Experience
5+ years' experience delivering complex data centre or enterprise infrastructure projects for large customers (preferably via a VAR or systems integrator).
Proven expertise in structured cabling, including fibre and copper installation, testing, and certification.
Hands-on experience using tools such as Fluke testers, OTDRs, network analysers, and wire mapping tools.
Ability to read and interpret MOPs, cable run lists, patch plans, and schematics.
Strong troubleshooting and fault-finding skills within high-pressure, mission-critical environments.
Proficiency with Unix/Linux CLI, network configuration, firmware installation, and device provisioning.
Experience analysing wireless survey reports (e.g., Ekahau, Airmagnet, Hamina) and advising on signal remediation.
Excellent customer-facing, communication, and documentation skills.
Self-starter with strong organisational discipline and the ability to manage multiple concurrent projects.
Certifications & Education
Cabling certifications (e.g., CNCI, BTEC, City & Guilds, BICSI) desirable.
CCNA or CWNA certification (or equivalent demonstrable knowledge) preferred.
Contract Details
Location: Bay Area, CA (frequent international travel required)
Contract Type: 12-Month Contract (1099 or C2C)
Client Type: Technology Consultancy
Start Date: ASAP
Compensation: Competitive day rate, based on experience
If you are an experienced Senior Data Centre Field Engineer who thrives in hands-on environments and enjoys leading complex deployments, this is an excellent opportunity to join a forward-thinking consultancy working with some of the most respected clients in the industry.
Spacecraft Avionics Lead Engineer
Lead engineer job in Fremont, CA
San Francisco Bay Area
A pioneering space company developing next-gen orbital mobility solutions is hiring an Avionics and Software Lead to own the full stack of spacecraft avionics and flight software for a new Spacecraft Development.
This is a rare opportunity to architect, build, and validate a complete flight system from scratch, working on cutting-edge propulsion-enabled platforms designed for responsive orbital manoeuvring.
In this role, you'll define the avionics architecture, lead integration of radiation-tolerant electronics, and drive flight software development-including GNC algorithms, EPS design, and hardware-in-the-loop testing. You'll collaborate closely with cross-functional engineering leads to ensure spacecraft safety, autonomy, and reliability from concept through CDR.
This is a hands-on leadership role for someone excited by the challenge of building high-performance spaceflight systems in a rapid development environment.
What You'll Be Doing:
Own the full avionics and flight software architecture through critical design review (CDR)
Select and integrate COTS radiation-tolerant components for power, compute, and data handling
Lead development of flight and ground software (telemetry, real-time control, fault management)
Define and implement guidance, navigation, and control (GNC) algorithms
Design electrical power systems (EPS), data bus architecture, and flight harnessing
Build and operate a flat-sat HIL testbed for integration and validation
Develop ICDs and maintain firmware/software configuration processes
Support subsystem integration and testing campaigns
Conduct FMEA and reliability analyses
Lead subsystem design reviews and contribute to broader mission engineering milestones
What You'll Need:
Bachelor's degree in software engineering, electrical engineering, or similar
8+ years of experience developing avionics or flight software for spacecraft or other high-reliability systems
Strong background in embedded systems, spacecraft autonomy, or GNC
Proficiency in C/C++ or Rust; Python for scripting/testing
Experience with radiation-hardened processors and electronics (Microchip, Xilinx, etc.)
Familiarity with CAN, SpaceWire, RS-422, and other bus protocols
HIL integration experience and knowledge of EMI/EMC and power distribution design principles
U.S. Person (citizenship or permanent residency) required
Desirable Experience:
Autonomy frameworks or fault-tolerant flight software
Space-rated EPS or battery management systems
Responsive space operations or in-space logistics
Previous experience in a startup or fast-paced R&D environment
Head of Physical Systems & Robotics
Lead engineer job in Fremont, CA
Salary: upto $400k cash + Equity & Bonus
Reports to: CEO
Team: Robotics & Systems Engineering
As Head of Physical Systems & Robotics, you will own the vision and execution for physical infrastructure, from robotic hardware and manipulation systems to controls, perception, and high-throughput experimental platforms. You will lead multi-disciplinary teams to deliver physically capable, autonomous systems that integrate closely with AI and simulation teams.
Key Responsibilities
Technical Vision & Strategy: Define and drive the roadmap for robotics, automation, and physical system platforms.
Team Leadership & Growth: Build and lead teams across robotics, controls, perception, systems integration, and hardware engineering.
System Architecture: Establish robust hardware/software architectures for complex physical systems.
Integration & Collaboration: Work with AI, simulation, and software teams to ensure seamless integration between algorithms and physical execution.
Operational Excellence: Implement best practices for reliability, maintainability, safety, and scalability of robotic platforms.
Hands-On Innovation: Balance leadership with technical involvement in prototypes, design reviews, hardware selection, and validation.
Risk & Safety: Set standards for safety, testing protocols, fault tolerance, and regulatory compliance.
Qualifications
MS/PhD in Robotics, Mechanical Engineering, Electrical Engineering, or related fields.
10+ years of engineering leadership in building and scaling complex robotic or automated systems.
Experience owning end-to-end physical systems, including motion planning, controls, perception integration, and hardware/software co-design.
Strong track record of cross-disciplinary collaboration with AI researchers and software engineers.
Excellent communicator and leader capable of motivating and aligning engineering teams.
Bonus Points
Experience with high-throughput or autonomous experimental platforms.
Prior work with digital twin or simulator environments tied to physical hardware.
Backend Software Engineer-Dotnet
Lead engineer job in Palo Alto, CA
This role supports the development of scalable backend systems for customer-facing digital platforms used across global markets. The Backend Software Engineer will build and maintain core services that power end-to-end product journeys, including ordering, delivery, installation, and ownership experiences. The position requires strong backend engineering expertise, a quality-first mindset, and the ability to thrive in a fast-paced, evolving environment.
Key Responsibilities:
• Design, develop, and support backend applications for order processing, installation workflows, and ownership experiences
• Own features and projects through design, development, testing, release, and production support
• Write clean, maintainable, high-performance, and well-tested code
• Develop and execute unit tests and integration tests in collaboration with quality teams
• Monitor production systems, respond to alerts, and troubleshoot live issues
• Analyze existing systems and recommend technical improvements to enhance performance and scalability
• Communicate project updates, dependencies, risks, and blockers clearly to stakeholders
• Improve system scalability, availability, maintainability, and observability
• Work with modern backend technologies, containerization, and distributed systems
Required Qualifications:
• Strong experience designing and consuming REST application programming interfaces
• Proficiency in object-oriented programming languages
• Experience with microservices or service-oriented architectures
• Hands-on experience with relational or non-relational databases
• Solid understanding of unit testing and integration testing practices
• Experience with message queue-based architectures
• Working knowledge of structured query language databases such as MySQL or PostgreSQL
Preferred Qualifications:
• Experience with event-streaming and open-source technologies such as Kafka, Debezium, or Elasticsearch
• Familiarity with containerization and orchestration tools
• Exposure to cloud-native application development
Benefits:
The Company offers the following benefits for this position, subject to applicable eligibility requirements: medical insurance, dental insurance, vision insurance, 401(k) retirement plan, life insurance, long-term disability insurance, short-term disability insurance, paid parking/public transportation, paid time off, paid sick and safe time, hours of paid vacation time, weeks of paid parental leave, and paid holidays annually - as applicable.
Pay Range: $60/hr to $80/hr
Full Stack Software Engineer (Python / React)
Lead engineer job in Fremont, CA
We're seeking a Full Stack Software Engineer with strong backend development skills in Python and frontend expertise in React.js. You'll help design, implement, and scale full stack web applications that are secure, performant, and user-centric.
Responsibilities
Architect, build, and maintain backend services using Python (FastAPI, Flask, Django)
Design and implement dynamic and responsive frontends using React.js and/or Vue.js
Create and consume RESTful and GraphQL APIs
Build reusable components and libraries for frontend use
Collaborate across teams to gather requirements, define solutions, and ensure quality
Optimize performance and scalability of applications
Write unit, integration, and end-to-end tests across the stack
Participate in peer code reviews and provide mentorship where appropriate
Required Qualifications
5+ years of experience in full stack development
M.S. degree in relevant domain required
Proficiency with Python and one or more major web frameworks (e.g., FastAPI, Django)
Advanced skills in React.js, including Hooks, Context, and state management libraries (e.g., Redux, Zustand)
Experience with Vue.js or interest in working across multiple frontend frameworks
Familiarity with modern frontend tooling: Webpack, Vite, Babel, ESLint
Solid experience with HTML5, CSS3, SASS/SCSS, and responsive UI design
Strong understanding of RESTful services, API security, and performance optimization
Knowledge of relational databases (PostgreSQL, MySQL) and NoSQL options (MongoDB, Redis)
Git and CI/CD best practices (GitHub Actions, CircleCI, GitLab CI)
Strong communication skills and a collaborative approach to engineering
Preferred Qualifications
Familiarity with TypeScript
Experience with cloud platforms (AWS, GCP, or Azure)
Experience with Docker, Kubernetes, or container orchestration
GraphQL and Apollo Client experience
Familiarity with microservice architecture
Experience working with real-time data (WebSockets, MQTT)
Founding Software Engineer / Protocol Engineer
Lead engineer job in San Francisco, CA
We are actively searching for a Founding Protocol Engineer to join our team on a permanent basis. In this position you will If you are someone that is impressed with what Hyperliquid has accomplished then this role is for you. We are on a mission to build next generation lending and debt protocols. We are open to both Senior level and Architect level candidates for this role.
Your Rhythm:
Drive the architecture, technical design, and implementation of our lending protocol.
Collaborate closely with researchers to validate and test designs
Collaborate with auditors and security engineers to ensure safety of the protocol
Participate in code reviews, providing constructive feedback and ensuring adherence to established coding standards and best practices
Your Vibe:
5+ years of professional software Engineering experience
3+ years of experience working in Solidity in EVM in production environments, specifically focused in DeFi products
2+ years of experience working with a modern backend languages (Go, Rust, Python, etc) in distributed architectures
Experience building lending protocols in a smart contract language
Open to collaborating onsite a few days a week at our downtown SF office
Our Vibe:
Relaxed work environment
100% paid top of the line health care benefits
Full ownership, no micro management
Strong equity package
401K
Unlimited vacation
An actual work/life balance, we aren't trying to run you into the ground. We have families and enjoy life too!
Senior Data Centre Field Engineer
Lead engineer job in San Francisco, CA
Senior Data Centre Field Engineer - Bay Area (Frequent International Travel) | 12-Month Contract | 1099 or C2C
Our client, a leading technology consultancy specialising in large-scale infrastructure deployments, is seeking an experienced Senior Data Centre Field Engineer to join their team on a 12-month contract. This position is based in the Bay Area and involves frequent international travel to client sites.
This role will suit a highly skilled and self-driven field engineer with deep experience in data centre infrastructure, structured cabling, and enterprise network deployments. You will lead complex field projects, mentor junior engineers, and ensure that every installation meets the highest technical and quality standards.
Role Overview
As a Senior Data Centre Field Engineer, you will:
Lead infrastructure deployment projects across data centre, enterprise, and retail environments, ensuring all deliverables are completed to scope, on time, and to a high standard.
Pull, terminate, and test Cat6/6a and fibre structured cabling systems.
Rack, stack, and configure network equipment; decommission legacy devices and patch cables as required.
Deploy fully built racks into data centres and enterprise spaces, completing cross-connects and final cabling.
Install and test Wireless Access Points, ensuring high-quality terminations and documentation.
Partner with internal teams or local field engineers on complex, multi-site deployments.
Mentor and support less experienced colleagues, sharing best practices and technical knowledge.
Serve as a trusted on-site advisor, maintaining both client and internal standards throughout all project phases.
Provide as-built and redline documentation updates to ensure engineering records remain current and accurate.
Conduct post-project reviews, sharing lessons learned to continually improve delivery quality.
Review project scopes, BOMs, and schedules using internal tools, identifying and escalating potential issues early.
Stay current with emerging network technologies - routing, switching, Wi-Fi, firewalls, compute, storage, AV, power, and cabling.
Represent the consultancy with professionalism, identifying potential business opportunities and maintaining strong client relationships.
Required Skills & Experience
5+ years' experience delivering complex data centre or enterprise infrastructure projects for large customers (preferably via a VAR or systems integrator).
Proven expertise in structured cabling, including fibre and copper installation, testing, and certification.
Hands-on experience using tools such as Fluke testers, OTDRs, network analysers, and wire mapping tools.
Ability to read and interpret MOPs, cable run lists, patch plans, and schematics.
Strong troubleshooting and fault-finding skills within high-pressure, mission-critical environments.
Proficiency with Unix/Linux CLI, network configuration, firmware installation, and device provisioning.
Experience analysing wireless survey reports (e.g., Ekahau, Airmagnet, Hamina) and advising on signal remediation.
Excellent customer-facing, communication, and documentation skills.
Self-starter with strong organisational discipline and the ability to manage multiple concurrent projects.
Certifications & Education
Cabling certifications (e.g., CNCI, BTEC, City & Guilds, BICSI) desirable.
CCNA or CWNA certification (or equivalent demonstrable knowledge) preferred.
Contract Details
Location: Bay Area, CA (frequent international travel required)
Contract Type: 12-Month Contract (1099 or C2C)
Client Type: Technology Consultancy
Start Date: ASAP
Compensation: Competitive day rate, based on experience
If you are an experienced Senior Data Centre Field Engineer who thrives in hands-on environments and enjoys leading complex deployments, this is an excellent opportunity to join a forward-thinking consultancy working with some of the most respected clients in the industry.